diff options
author | Jianqun Xu <jay.xu@rock-chips.com> | 2019-10-15 17:17:08 +0800 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2019-10-16 15:56:19 +0200 |
commit | 7825aeb7b20854740586a9f7484c1fdfc516eca5 (patch) | |
tree | ad6d84cd3fc89946cdfaa55cc24220e2f286a3f6 | |
parent | e54349ed6c254c6c9f69dcc77f2bb73957a42c25 (diff) | |
download | linux-7825aeb7b20854740586a9f7484c1fdfc516eca5.tar.bz2 |
pinctrl: rockchip: add rk3308 SoC support
This patch do support pinctrl for RK3308 SoCs.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Link: https://lore.kernel.org/r/20191015091708.7934-3-jay.xu@rock-chips.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r-- | drivers/pinctrl/pinctrl-rockchip.c | 382 |
1 files changed, 381 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index dc0bbf198cbc..fc9a2a9959d9 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -58,6 +58,7 @@ enum rockchip_pinctrl_type { RK3128, RK3188, RK3288, + RK3308, RK3368, RK3399, }; @@ -70,6 +71,7 @@ enum rockchip_pinctrl_type { #define IOMUX_SOURCE_PMU BIT(2) #define IOMUX_UNROUTED BIT(3) #define IOMUX_WIDTH_3BIT BIT(4) +#define IOMUX_WIDTH_2BIT BIT(5) /** * @type: iomux variant using IOMUX_* constants @@ -656,6 +658,100 @@ static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = { }, }; +static struct rockchip_mux_recalced_data rk3308_mux_recalced_data[] = { + { + .num = 1, + .pin = 14, + .reg = 0x28, + .bit = 12, + .mask = 0xf + }, { + .num = 1, + .pin = 15, + .reg = 0x2c, + .bit = 0, + .mask = 0x3 + }, { + .num = 1, + .pin = 18, + .reg = 0x30, + .bit = 4, + .mask = 0xf + }, { + .num = 1, + .pin = 19, + .reg = 0x30, + .bit = 8, + .mask = 0xf + }, { + .num = 1, + .pin = 20, + .reg = 0x30, + .bit = 12, + .mask = 0xf + }, { + .num = 1, + .pin = 21, + .reg = 0x34, + .bit = 0, + .mask = 0xf + }, { + .num = 1, + .pin = 22, + .reg = 0x34, + .bit = 4, + .mask = 0xf + }, { + .num = 1, + .pin = 23, + .reg = 0x34, + .bit = 8, + .mask = 0xf + }, { + .num = 3, + .pin = 12, + .reg = 0x68, + .bit = 8, + .mask = 0xf + }, { + .num = 3, + .pin = 13, + .reg = 0x68, + .bit = 12, + .mask = 0xf + }, { + .num = 2, + .pin = 2, + .reg = 0x608, + .bit = 0, + .mask = 0x7 + }, { + .num = 2, + .pin = 3, + .reg = 0x608, + .bit = 4, + .mask = 0x7 + }, { + .num = 2, + .pin = 16, + .reg = 0x610, + .bit = 8, + .mask = 0x7 + }, { + .num = 3, + .pin = 10, + .reg = 0x610, + .bit = 0, + .mask = 0x7 + }, { + .num = 3, + .pin = 11, + .reg = 0x610, + .bit = 4, + .mask = 0x7 + }, +}; + static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = { { .num = 2, @@ -982,6 +1078,192 @@ static struct rockchip_mux_route_data rk3288_mux_route_data[] = { }, }; +static struct rockchip_mux_route_data rk3308_mux_route_data[] = { + { + /* rtc_clk */ + .bank_num = 0, + .pin = 19, + .func = 1, + .route_offset = 0x314, + .route_val = BIT(16 + 0) | BIT(0), + }, { + /* uart2_rxm0 */ + .bank_num = 1, + .pin = 22, + .func = 2, + .route_offset = 0x314, + .route_val = BIT(16 + 2) | BIT(16 + 3), + }, { + /* uart2_rxm1 */ + .bank_num = 4, + .pin = 26, + .func = 2, + .route_offset = 0x314, + .route_val = BIT(16 + 2) | BIT(16 + 3) | BIT(2), + }, { + /* i2c3_sdam0 */ + .bank_num = 0, + .pin = 15, + .func = 2, + .route_offset = 0x608, + .route_val = BIT(16 + 8) | BIT(16 + 9), + }, { + /* i2c3_sdam1 */ + .bank_num = 3, + .pin = 12, + .func = 2, + .route_offset = 0x608, + .route_val = BIT(16 + 8) | BIT(16 + 9) | BIT(8), + }, { + /* i2c3_sdam2 */ + .bank_num = 2, + .pin = 0, + .func = 3, + .route_offset = 0x608, + .route_val = BIT(16 + 8) | BIT(16 + 9) | BIT(9), + }, { + /* i2s-8ch-1-sclktxm0 */ + .bank_num = 1, + .pin = 3, + .func = 2, + .route_offset = 0x308, + .route_val = BIT(16 + 3), + }, { + /* i2s-8ch-1-sclkrxm0 */ + .bank_num = 1, + .pin = 4, + .func = 2, + .route_offset = 0x308, + .route_val = BIT(16 + 3), + }, { + /* i2s-8ch-1-sclktxm1 */ + .bank_num = 1, + .pin = 13, + .func = 2, + .route_offset = 0x308, + .route_val = BIT(16 + 3) | BIT(3), + }, { + /* i2s-8ch-1-sclkrxm1 */ + .bank_num = 1, + .pin = 14, + .func = 2, + .route_offset = 0x308, + .route_val = BIT(16 + 3) | BIT(3), + }, { + /* pdm-clkm0 */ + .bank_num = 1, + .pin = 4, + .func = 3, + .route_offset = 0x308, + .route_val = BIT(16 + 12) | BIT(16 + 13), + }, { + /* pdm-clkm1 */ + .bank_num = 1, + .pin = 14, + .func = 4, + .route_offset = 0x308, + .route_val = BIT(16 + 12) | BIT(16 + 13) | BIT(12), + }, { + /* pdm-clkm2 */ + .bank_num = 2, + .pin = 6, + .func = 2, + .route_offset = 0x308, + .route_val = BIT(16 + 12) | BIT(16 + 13) | BIT(13), + }, { + /* pdm-clkm-m2 */ + .bank_num = 2, + .pin = 4, + .func = 3, + .route_offset = 0x600, + .route_val = BIT(16 + 2) | BIT(2), + }, { + /* spi1_miso */ + .bank_num = 3, + .pin = 10, + .func = 3, + .route_offset = 0x314, + .route_val = BIT(16 + 9), + }, { + /* spi1_miso_m1 */ + .bank_num = 2, + .pin = 4, + .func = 2, + .route_offset = 0x314, + .route_val = BIT(16 + 9) | BIT(9), + }, { + /* owire_m0 */ + .bank_num = 0, + .pin = 11, + .func = 3, + .route_offset = 0x314, + .route_val = BIT(16 + 10) | BIT(16 + 11), + }, { + /* owire_m1 */ + .bank_num = 1, + .pin = 22, + .func = 7, + .route_offset = 0x314, + .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(10), + }, { + /* owire_m2 */ + .bank_num = 2, + .pin = 2, + .func = 5, + .route_offset = 0x314, + .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(11), + }, { + /* can_rxd_m0 */ + .bank_num = 0, + .pin = 11, + .func = 2, + .route_offset = 0x314, + .route_val = BIT(16 + 12) | BIT(16 + 13), + }, { + /* can_rxd_m1 */ + .bank_num = 1, + .pin = 22, + .func = 5, + .route_offset = 0x314, + .route_val = BIT(16 + 12) | BIT(16 + 13) | BIT(12), + }, { + /* can_rxd_m2 */ + .bank_num = 2, + .pin = 2, + .func = 4, + .route_offset = 0x314, + .route_val = BIT(16 + 12) | BIT(16 + 13) | BIT(13), + }, { + /* mac_rxd0_m0 */ + .bank_num = 1, + .pin = 20, + .func = 3, + .route_offset = 0x314, + .route_val = BIT(16 + 14), + }, { + /* mac_rxd0_m1 */ + .bank_num = 4, + .pin = 2, + .func = 2, + .route_offset = 0x314, + .route_val = BIT(16 + 14) | BIT(14), + }, { + /* uart3_rx */ + .bank_num = 3, + .pin = 12, + .func = 4, + .route_offset = 0x314, + .route_val = BIT(16 + 15), + }, { + /* uart3_rx_m1 */ + .bank_num = 0, + .pin = 17, + .func = 3, + .route_offset = 0x314, + .route_val = BIT(16 + 15) | BIT(15), + }, +}; + static struct rockchip_mux_route_data rk3328_mux_route_data[] = { { /* uart2dbg_rxm0 */ @@ -1475,6 +1757,26 @@ static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, return 0; } +#define RK3308_SCHMITT_PINS_PER_REG 8 +#define RK3308_SCHMITT_BANK_STRIDE 16 +#define RK3308_SCHMITT_GRF_OFFSET 0x1a0 + +static int rk3308_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + *regmap = info->regmap_base; + *reg = RK3308_SCHMITT_GRF_OFFSET; + + *reg += bank->bank_num * RK3308_SCHMITT_BANK_STRIDE; + *reg += ((pin_num / RK3308_SCHMITT_PINS_PER_REG) * 4); + *bit = pin_num % RK3308_SCHMITT_PINS_PER_REG; + + return 0; +} + #define RK2928_PULL_OFFSET 0x118 #define RK2928_PULL_PINS_PER_REG 16 #define RK2928_PULL_BANK_STRIDE 8 @@ -1646,6 +1948,40 @@ static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, *bit *= RK3288_DRV_BITS_PER_PIN; } +#define RK3308_PULL_OFFSET 0xa0 + +static void rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + *regmap = info->regmap_base; + *reg = RK3308_PULL_OFFSET; + *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; + *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); + + *bit = (pin_num % RK3188_PULL_PINS_PER_REG); + *bit *= RK3188_PULL_BITS_PER_PIN; +} + +#define RK3308_DRV_GRF_OFFSET 0x100 + +static void rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, + int pin_num, struct regmap **regmap, + int *reg, u8 *bit) +{ + struct rockchip_pinctrl *info = bank->drvdata; + + *regmap = info->regmap_base; + *reg = RK3308_DRV_GRF_OFFSET; + *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE; + *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); + + *bit = (pin_num % RK3288_DRV_PINS_PER_REG); + *bit *= RK3288_DRV_BITS_PER_PIN; +} + #define RK3368_PULL_GRF_OFFSET 0x100 #define RK3368_PULL_PMU_OFFSET 0x10 @@ -1986,6 +2322,7 @@ static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num) case RV1108: case RK3188: case RK3288: + case RK3308: case RK3368: case RK3399: pull_type = bank->pull_type[pin_num / 8]; @@ -2030,6 +2367,7 @@ static int rockchip_set_pull(struct rockchip_pin_bank *bank, case RV1108: case RK3188: case RK3288: + case RK3308: case RK3368: case RK3399: pull_type = bank->pull_type[pin_num / 8]; @@ -2293,6 +2631,7 @@ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, case RV1108: case RK3188: case RK3288: + case RK3308: case RK3368: case RK3399: return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT); @@ -3303,7 +3642,8 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( * 4bit iomux'es are spread over two registers. */ inc = (iom->type & (IOMUX_WIDTH_4BIT | - IOMUX_WIDTH_3BIT)) ? 8 : 4; + IOMUX_WIDTH_3BIT | + IOMUX_WIDTH_2BIT)) ? 8 : 4; if (iom->type & IOMUX_SOURCE_PMU) pmu_offs += inc; else @@ -3709,6 +4049,44 @@ static struct rockchip_pin_ctrl rk3288_pin_ctrl = { .drv_calc_reg = rk3288_calc_drv_reg_and_bit, }; +static struct rockchip_pin_bank rk3308_pin_banks[] = { + PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT), + PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT), + PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT), + PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT), + PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT, + IOMUX_WIDTH_2BIT), +}; + +static struct rockchip_pin_ctrl rk3308_pin_ctrl = { + .pin_banks = rk3308_pin_banks, + .nr_banks = ARRAY_SIZE(rk3308_pin_banks), + .label = "RK3308-GPIO", + .type = RK3308, + .grf_mux_offset = 0x0, + .iomux_recalced = rk3308_mux_recalced_data, + .niomux_recalced = ARRAY_SIZE(rk3308_mux_recalced_data), + .iomux_routes = rk3308_mux_route_data, + .niomux_routes = ARRAY_SIZE(rk3308_mux_route_data), + .pull_calc_reg = rk3308_calc_pull_reg_and_bit, + .drv_calc_reg = rk3308_calc_drv_reg_and_bit, + .schmitt_calc_reg = rk3308_calc_schmitt_reg_and_bit, +}; + static struct rockchip_pin_bank rk3328_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0), @@ -3849,6 +4227,8 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = { .data = &rk3228_pin_ctrl }, { .compatible = "rockchip,rk3288-pinctrl", .data = &rk3288_pin_ctrl }, + { .compatible = "rockchip,rk3308-pinctrl", + .data = &rk3308_pin_ctrl }, { .compatible = "rockchip,rk3328-pinctrl", .data = &rk3328_pin_ctrl }, { .compatible = "rockchip,rk3368-pinctrl", |